CN216242163U

CN216242163U - Die-casting formula transmission case casing based on improve structure

Info

Publication number: CN216242163U
Application number: CN202122811130.1U
Authority: CN
Inventors: 顾培晓; 高松信; 顾元美; 吕洪松
Original assignee: Qingdao Ruiquan Precision Casting Co ltd
Current assignee: Qingdao Ruiquan Precision Casting Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a die-casting type transmission case shell based on an improved structure, and particularly relates to the technical field of transmission cases. According to the die-casting type transmission case shell based on the improved structure, heat inside the transmission case installation shell is absorbed through the heat conduction block and the T-shaped limiting block, then the heat is taken away by cooling water in the water cavity, meanwhile, the cooling air fan injects cold air into the first hollow groove through the first air inlet and the second air inlet, and then the cold air leaves from the air outlet in the bottom wall of the second hollow groove, so that residual heat is taken away, and the service life of parts is prolonged.

Description

Die-casting formula transmission case casing based on improve structure

Technical Field

The utility model relates to the technical field of transmission cases, in particular to a die-casting transmission case shell based on an improved structure.

Background

The transmission case is a box-shaped part for supporting and containing various transmission mechanisms, and is widely applied due to the functions of sealing, dust prevention, heat insulation, sound insulation, lubricating oil storage, protection and the like, but the common transmission case has poor heat dissipation effect and can shorten the service life of parts inside the transmission case.

The disadvantages of the general transmission case are that: most of transmission case heat dissipation are all dispelled the heat through the fin of casing outside, and the radiating effect is general, and most of heat in the transmission case all comes from drive mechanism, can't dispel the heat fast, reduces the life of spare part.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a die-casting type transmission case shell based on an improved structure, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a die-casting type transmission case shell based on an improved structure comprises an upper shell, a lower shell and a transmission case installation shell, a first empty groove is arranged in the middle of the upper end of the upper shell, a water inlet pipe is fixedly arranged at the front part of the right end of the upper shell, a water outlet pipe is fixedly arranged at the front part of the right end of the lower shell, the water inlet pipe and the water outlet pipe are both fixedly connected with a cooling water tank, the upper part of the rear end of the upper shell is provided with an air groove, a heat radiation fan and a dust screen are fixedly arranged in the air groove, the dust screen is positioned behind the heat radiation fan, the lower part of the left end and the lower part of the right end of the upper shell and the upper part of the left end and the upper part of the right end of the lower shell are respectively fixedly provided with a connecting plate, the four connecting plates are respectively provided with a plurality of threaded holes penetrating through the upper end and the lower end of the connecting plates, the left rear portion of upper end of inferior valve fixed mounting has the water service pipe, the second dead slot has been seted up at the upper end middle part of inferior valve, transmission case mounting shell sliding connection is in the inside of first dead slot and second dead slot.

Preferably, the left side wall and the right side wall of first dead slot and second dead slot all fixed mounting have a plurality of heat conduction piece, a plurality of the equal fixed mounting of opposite face of heat conduction piece has T type limit block, a plurality of T type limit groove has all been seted up to the left end and the right-hand member of transmission case mounting shell, and the upper portion and the lower part in T type limit groove are open structure, T type limit block sliding connection is in the same place epitheca and inferior valve and transmission case mounting shell sliding connection in T type limit groove.

Preferably, the plurality of heat conduction blocks and the T-shaped limiting blocks in the first empty groove and the second empty groove are respectively positioned in the same horizontal plane.

Preferably, the air outlets are formed in the left portion and the right portion of the bottom wall of the second empty groove, and one ends, far away from each other, of the two air outlets extend to the outer side of the transmission case mounting shell.

Preferably, the rear side wall of the upper shell is provided with a plurality of second air inlets, two first air inlets are formed in the rear side wall of the upper shell, air guide openings are formed in the left part and the right part of the inner surface of the air duct, and the plurality of second air inlets are communicated with the air duct through the two first air inlets and the two air guide openings.

Preferably, a door-shaped water through cavity is formed in the upper shell, the door-shaped water through cavity is communicated with the water inlet pipe, and the door-shaped water through cavity is not communicated with the air groove and the first air inlet.

Preferably, a second water through cavity is formed in the left rear portion of the lower end of the upper shell, a first water through cavity is formed in the top wall of the second water through cavity, a sealing ring is fixedly mounted at the upper end of the water through pipe, and when the upper shell and the lower shell are connected, the water through pipe and the sealing ring are located inside the second water through cavity and are communicated with the door-shaped water through cavity through the first water through cavity.

Preferably, the outer diameter of the water pipe and the sealing ring is equal to the diameter of the second water through cavity, and the size of the second water through cavity is larger than that of the first water through cavity.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a die-casting type transmission case shell based on an improved structure, wherein the transmission case is of a closed structure, so that heat in the transmission case is absorbed out through a T-shaped limiting block and a heat conducting block, water through cavities are formed in the side walls of a first cavity and a second cavity which are fixedly connected with the heat conducting block, cooling water is fully distributed in the water through cavities, a water inlet pipe and a water outlet pipe are fixedly connected with a cooling water tank of a vehicle, the circulating cooling of the cooling water is ensured, meanwhile, a cooling fan is installed at the rear end of an upper case, cold air is blown into a first empty groove through a first air inlet and a second air inlet, and finally, the cold air leaves from an air outlet at the bottom wall of a second empty groove to take away residual heat, and the service life of parts is prolonged.

Drawings

FIG. 1 is a schematic view of the overall construction of a die-cast transmission case housing according to the present invention based on an improved construction;

FIG. 2 is a structural view of the lower case;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the connection between the first air inlet and the air duct;

FIG. 5 is a cutaway schematic view of the upper shell;

fig. 6 is an enlarged view of fig. 4 at B.

In the figure: 1. an upper shell; 11. a door-shaped water through cavity; 12. a first empty slot; 13. a second water passage cavity; 14. a first water passage cavity; 2. a transmission case mounting shell; 3. a lower case; 31. a second empty slot; 32. an air outlet; 4. A water inlet pipe; 5. a connecting plate; 6. a threaded hole; 7. a water outlet pipe; 8. a T-shaped limiting groove; 9. an air duct; 91. A wind guide opening; 10. a heat radiation fan; 101. a second air inlet; 102. a first air inlet; 20. a dust screen; 30. a water pipe; 301. a seal ring; 40. a heat conducting block; 401. t-shaped limiting blocks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-6, a die-casting type transmission case shell based on an improved structure comprises an upper case 1, a lower case 3 and a transmission case installation case 2, wherein a first empty slot 12 is arranged in the middle of the upper end of the upper case 1, a water inlet pipe 4 is fixedly arranged at the front part of the right end of the upper case 1, a water outlet pipe 7 is fixedly arranged at the front part of the right end of the lower case 3, the water inlet pipe 4 and the water outlet pipe 7 are both fixedly connected with a cooling water tank, an air slot 9 is arranged at the upper part of the rear end of the upper case 1, a cooling fan 10 and a dust screen 20 are fixedly arranged in the air slot 9, the dust screen 20 is positioned behind the cooling fan 10, connecting plates 5 are fixedly arranged at the lower part of the left end and the lower end of the upper case 1 and at the upper part of the left end and the upper part of the right end of the lower case 3, a plurality of threaded holes 6 penetrating through the upper and lower ends of the four connecting plates 5 are respectively arranged, a water pipe 30 is fixedly arranged at the left and rear part of the upper end of the lower case 3, a second empty slot 31 is arranged at the middle part of the upper end of the lower case 3, the transmission case mounting housing 2 is slidably coupled inside the first and second

hollow grooves

12 and 31.

As shown in fig. 2-3, a plurality of heat conducting blocks 40 are fixedly mounted on the left side wall and the right side wall of each of the first empty groove 12 and the second empty groove 31, T-shaped limiting blocks 401 are fixedly mounted on the opposite surfaces of the plurality of heat conducting blocks 40, a plurality of T-shaped limiting grooves 8 are formed in the left end and the right end of the transmission case mounting shell 2, the upper portion and the lower portion of each of the T-shaped limiting grooves 8 are of an open structure, and the T-shaped limiting blocks 401 are slidably connected in the T-shaped limiting grooves 8 to slidably connect the upper shell 1, the lower shell 3 and the transmission case mounting shell 2 together; the plurality of heat-conducting blocks 40 and the T-shaped limiting blocks 401 in the first empty groove 12 and the second empty groove 31 are respectively positioned in the same horizontal plane; air outlets 32 are formed in the left part and the right part of the bottom wall of the second hollow groove 31, and the ends, away from each other, of the two air outlets 32 extend to the outer side of the transmission case mounting shell 2; the transmission case mounting case 2 is slidably coupled into the second hollow groove 31 by slidably coupling the T-shaped defining groove 8 with the T-shaped defining block 401, then the transmission case mounting case 2 and the first hollow groove 12 are slidably coupled together according to the same method, then the upper case 1 and the lower case 3 are screwed together by the bolts and the screw holes 6, and then the work in the case is performed.

As shown in fig. 4-6, the rear side wall of the upper casing 1 is provided with a plurality of second air inlets 101, two first air inlets 102 are provided inside the rear side wall of the upper casing 1, the left part and the right part of the inner surface of the air duct 9 are both provided with air guide openings 91, and the plurality of second air inlets 101 are communicated with the air duct 9 through the two first air inlets 102 and the two air guide openings 91; the upper shell 1 is internally provided with a door-shaped water through cavity 11, the door-shaped water through cavity 11 is communicated with the water inlet pipe 4, and the door-shaped water through cavity 11 is not communicated with the air groove 9 and the first air inlet 102; a second water through cavity 13 is formed in the left rear portion of the lower end of the upper shell 1, a first water through cavity 14 is formed in the top wall of the second water through cavity 13, a sealing ring 301 is fixedly mounted at the upper end of the water through pipe 30, and when the upper shell 1 and the lower shell 3 are connected, the water through pipe 30 and the sealing ring 301 are located inside the second water through cavity 13 and are mutually communicated with the door-shaped water through cavity 11 through the first water through cavity 14; the outer diameter of the water passing pipe 30 and the sealing ring 301 is equal to the diameter of the second water passing cavity 13, and the size of the second water passing cavity 13 is larger than that of the first water passing cavity 14; the door style of calligraphy that cooling water enters into epitheca 1 from inlet tube 4 leads to in the water cavity 11, then enter into the logical water cavity of inferior valve 3 through first logical water cavity 14 and water service pipe 30, then cool off transmission case mounting shell 2 together, radiator fan 10 passes through wind-guiding mouth 91 simultaneously, the inside of first dead slot 12 is injected into with cold air to second air intake 101 and first air intake 102, take away last heat in epitheca 1 and the 3 dead slot of inferior valve, the practical life of spare part in the improvement transmission case mounting shell 2.

The working principle of the utility model is as follows: the transmission case mounting case 2 is slidably coupled into the first and second

empty grooves

12 and 31 by slidably coupling the T-shaped defining groove 8 with the T-shaped defining block 401, then the upper shell 1 and the lower shell 3 are connected together by screw threads through the bolt and the screw hole 6, after the work is started, the cooling water in the cooling water tank enters the door-shaped water through cavity 11 of the upper shell 1 from the water inlet pipe 4, then enters the water passing cavity of the lower shell 3 through the first water passing cavity 14 and the water passing pipe 30, then cools the transmission case installation shell 2 together, then returns to the cooling water tank from the water outlet, enables the cooling water to be recycled, meanwhile, the cooling fan 10 injects cold air into the first empty groove 12 through the air guide opening 91, the second air inlet 101 and the first air inlet 102, takes away the residual heat in the empty grooves of the upper shell 1 and the lower shell 3, and prolongs the service life of the parts in the transmission case mounting shell 2.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a die-casting formula transmission case casing based on improve structure, includes epitheca (1), inferior valve (3) and transmission case installation shell (2), its characterized in that: the upper end middle part of the upper shell (1) is provided with a first empty groove (12), the front part of the right end of the upper shell (1) is fixedly provided with a water inlet pipe (4), the front part of the right end of the lower shell (3) is fixedly provided with a water outlet pipe (7), the water inlet pipe (4) and the water outlet pipe (7) are fixedly connected with a cooling water tank, the upper part of the rear end of the upper shell (1) is provided with an air groove (9), the air groove (9) is internally and fixedly provided with a cooling fan (10) and a dust screen (20), the dust screen (20) is positioned at the rear part of the cooling fan (10), the lower part of the left end of the upper shell (1) and the lower part of the right end and the upper part of the left end of the lower shell (3) and the upper part of the right end are both fixedly provided with connecting plates (5), the four connecting plates (5) are provided with a plurality of threaded holes (6) penetrating through the upper and lower ends of the connecting plates, and the rear part of the left end of the lower shell (3) is fixedly provided with a water service pipe (30), second dead slot (31) have been seted up in the upper end middle part of inferior valve (3), transmission case installation shell (2) sliding connection is in the inside of first dead slot (12) and second dead slot (31).

2. The improved structure-based die-cast transmission case housing according to claim 1, wherein: the left side wall and the right side wall of first dead slot (12) and second dead slot (31) all fixed mounting have a plurality of heat conduction piece (40), a plurality of the equal fixed mounting of opposite face of heat conduction piece (40) has T type limit block (401), a plurality of T type limit groove (8) have all been seted up to the left end and the right-hand member of transmission case mounting shell (2), and the upper portion and the lower part of T type limit groove (8) are open structure, T type limit block (401) sliding connection is in the same place upper casing (1) and inferior valve (3) and transmission case mounting shell (2) sliding connection in T type limit groove (8).

3. The improved structure-based die-cast transmission case housing according to claim 1, wherein: the heat-conducting blocks (40) and the T-shaped limiting blocks (401) in the first empty groove (12) and the second empty groove (31) are respectively positioned in the same horizontal plane.

4. The improved structure-based die-cast transmission case housing according to claim 1, wherein: air outlet (32) have all been seted up to the diapire left part and the diapire right part of second dead slot (31), and the one end that two air outlets (32) kept away from each other extends to the outside of transmission case installation shell (2).

5. The improved structure-based die-cast transmission case housing according to claim 1, wherein: the rear side wall of the upper shell (1) is provided with a plurality of second air inlets (101), two first air inlets (102) are formed in the rear side wall of the upper shell (1), air guide openings (91) are formed in the left portion and the right portion of the inner surface of the air groove (9), and the second air inlets (101) are communicated with the air groove (9) through the two first air inlets (102) and the two air guide openings (91).

6. The improved structure-based die-cast transmission case housing according to claim 1, wherein: the water inlet device is characterized in that a door-shaped water passing cavity (11) is formed in the upper shell (1), the door-shaped water passing cavity (11) is communicated with the water inlet pipe (4), and the door-shaped water passing cavity (11) is not communicated with the air groove (9) and the first air inlet (102).

7. The improved structure-based die-cast transmission case housing according to claim 1, wherein: second logical water cavity (13) have been seted up to the lower extreme left rear portion of epitheca (1), first logical water cavity (14) have been seted up to the roof in second logical water cavity (13), the upper end fixed mounting of water service pipe (30) has sealing washer (301), when epitheca (1) and inferior valve (3) are connected, water service pipe (30) and sealing washer (301) are located the inside in second logical water cavity (13) and communicate each other through first logical water cavity (14) AND gate style of calligraphy logical water cavity (11).

8. The improved structure-based die-cast transmission case housing according to claim 1, wherein: the outer diameter of the water passing pipe (30) and the outer diameter of the sealing ring (301) are equal to the diameter of the second water passing cavity (13), and the size of the second water passing cavity (13) is larger than that of the first water passing cavity (14).